I added the new docs targets to the Makefile.am
I added the new docs targets to the Makefile.am

These will build and commit/push doxygen docs to github.io via gh-pages.
The gh-pages branch has to be made first and should be empty.

OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4